168172067

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{37}}^2\times {\mathrm{109}}^1$

素因数の和:220

約数の個数: 36

約数和(自身を含む): 211725360

約数和(自身を除く): 43553293

約数列:

[1, 7, 23, 37, 49, 109, 161, 259, 763, 851, 1127, 1369, 1813, 2507, 4033, 5341, 5957, 9583, 17549, 28231, 31487, 41699, 67081, 92759, 122843, 149221, 197617, 220409, 649313, 1044547, 1542863, 3432083, 4545191, 7311829, 24024581, 168172067]

約数ペア:

[(1, 168172067), (7, 24024581), (23, 7311829), (37, 4545191), (49, 3432083), (109, 1542863), (161, 1044547), (259, 649313), (763, 220409), (851, 197617), (1127, 149221), (1369, 122843), (1813, 92759), (2507, 67081), (4033, 41699), (5341, 31487), (5957, 28231), (9583, 17549)]